Solar Pro 4
by Upstagetext->text2 endpoints
Neura Intelligence Index
67.2/ 100
Rank
#113—
Confidence
lowBenchmarks
3(8% coverage)
Overview
Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window. It is built for long-horizon tasks and agentic workflows, with strong capabilities in office productivity, document-intensive work, and coding.
Capabilities
Text generation
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Long context
Top-P sampling
Modalities
Input
Text
Output
Text
Technical Specifications
Context Window
524.3K tokens
Max Output
131.1K tokens
Tokenizer
Other
Uptime (24h)
10000.0%
Country
🇰🇷KR
Release Date
August 6, 20263mo
Supported Parameters
frequency_penaltyinclude_reasoningmax_tokensparallel_tool_callspresence_penaltyreasoningreasoning_effortresponse_formatstructured_outputstemperaturetool_choicetoolstop_p
Benchmark Performance
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-bench Verified | 70.6 | verified |
reasoning
| Benchmark | Score | Source |
|---|---|---|
| GPQA Diamond | 89 | verified |
agent
| Benchmark | Score | Source |
|---|---|---|
| BrowseComp | 49.2 | verified |
Performance Over Time
Pricing
Per 1M tokens
Input$0.15
Output$0.60
Cache read$0.03
Added
August 10, 2026
Last synced 11/7/2026